Dulux Weathershield Gloss ChromaMax Base iin Bold Yellow s a 100% acrylic paint which provides a long lasting finish on suitably prepared masonry, bricks, concrete, render, fibre cement, timber, Zincalume , galvanised iron, steel and wrought iron. Dulux ChromaMax pigment bases are concentrated with special pigments which deliver exceptional colour clarity and enhanced opacity – even the deepest colour can easily be achieved in fewer coats.